Twist-off seal for a tube



FIG. 1 is a front view of the twist-off seal showing our new design, therear view being a mirror image thereof;

FIG. 2 is a side view of the twist-off seal, the opposite side viewbeing a mirror image thereof;

FIG. 3 is a top view of the twist-off seal;

FIG. 4 is a front perspective view of the twist-off seal lookingdownwardly; and,

FIG. 5 is a front perspective view of the twist-off seal lookingupwardly.

The ornamental design for a twist-off seal for a tube, as shown anddescribed.